nguyendinhbinh0611 nguyendinhbinh0611
  • 07-10-2022
  • Physics
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Một dây dẫn có điện trở 50 ôm chịu được dòng điện có cường độ lớn nhất là 300mA. Hiệu điện thế lớn nhất đặt giữa hai đầu dây dẫn đó là:

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